diff options
Diffstat (limited to 'encoding.c')
| -rw-r--r-- | encoding.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/encoding.c b/encoding.c index 1b0622c198..930c3007d4 100644 --- a/encoding.c +++ b/encoding.c @@ -377,6 +377,22 @@ enc_dummy_p(VALUE enc) return ENC_DUMMY_P(enc_table.list[must_encoding(enc)].enc) ? Qtrue : Qfalse; } +/* + * call-seq: + * enc.ascii_compatible? => true or false + * + * Returns whether ASCII-compatible or not. + * + * Encoding::UTF_8.ascii_compatible? #=> true + * Encoding::UTF_16BE.ascii_compatible? #=> false + * + */ +static VALUE +enc_ascii_compatible_p(VALUE enc) +{ + return rb_enc_asciicompat(enc_table.list[must_encoding(enc)].enc) ? Qtrue : Qfalse; +} + static const char * enc_alias_internal(const char *alias, int idx) { @@ -1428,6 +1444,7 @@ Init_Encoding(void) rb_define_method(rb_cEncoding, "name", enc_name, 0); rb_define_method(rb_cEncoding, "names", enc_names, 0); rb_define_method(rb_cEncoding, "dummy?", enc_dummy_p, 0); + rb_define_method(rb_cEncoding, "ascii_compatible?", enc_ascii_compatible_p, 0); rb_define_singleton_method(rb_cEncoding, "list", enc_list, 0); rb_define_singleton_method(rb_cEncoding, "name_list", rb_enc_name_list, 0); rb_define_singleton_method(rb_cEncoding, "aliases", rb_enc_aliases, 0); |